> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cashweb.cash/llms.txt
> Use this file to discover all available pages before exploring further.

# Go-Live Checklist

> Production readiness checklist for partner API consumers.

## Authentication and Security

* [ ] API keys stored in a secure secret manager.
* [ ] Webhook signature verification implemented and tested.
* [ ] Constant-time signature comparison in place.
* [ ] Replay-window and event-id dedupe implemented.

## Transaction Flow

* [ ] Quote mode and direct mode (`fiat_amount` + `crypto_currency` + `network`) validation implemented.
* [ ] `merchant_reference` uniqueness enforced in your system.
* [ ] Idempotency keys generated and persisted for writes.
* [ ] Timeout recovery by `merchant_reference` implemented.

## Webhooks

* [ ] At-least-once + out-of-order handling implemented.
* [ ] Durable event log for operational replay decisions.
* [ ] Delivery telemetry endpoint integrated into on-call tooling.

## Reconciliation

* [ ] Scheduled transaction and revenue backfill jobs running.
* [ ] Fixed-window reconciliation with cursor checkpoints enabled.
* [ ] Exception queue for unresolved mismatches established.

## Operational Controls

* [ ] `429` handling and adaptive retry policy implemented.
* [ ] Alerting configured for sustained webhook failures.
* [ ] Alerting configured for create/cancel conflict spikes.
* [ ] Runbook documented for webhook recovery incidents.